Results 61 to 70 of about 280,815 (357)

Highly efficient synthesis of the tricyclic core of Taxol by cascade metathesis [PDF]

, 2014
An efficient enantioselective synthesis of the ABC tricyclic core of the anticancer drug Taxol is reported. The key step of this synthesis is a cascade metathesis reaction, which leads in one operation to the required tricycle if appropriate fine-tuning ...
Aldegunde M. J., Aldegunde M. J., Aldegunde M. J., Aurélien Letort, Bourgeois D., Bourgeois D., Bourgeois D., Bourgeois D., Bourgeois D., Chatterjee A. K., Cong Ma, De-Liang Long, Doi T., Garber S. B., Goldring P. D., Grieco P. A., Holton R. A., Holton R. A., Joëlle Prunet, Kim S.-H., Ma C., Masters J. J., Mendoza A., Morihara K., Mukaiyama T., Muller B., Muller B., Nicolaou K. C., Rémi Aouzal, Schiltz S., Scholl M., Schwab P., Swindell C. S., Wender P. A., Wender P. A., Wilde N. C., Winkler J. D., Yamazaki Y., Yared J. A., Yvon D.   +39 more
core   +3 more sources

Synergistic Modulation of Orientation and Steric Hindrance Induced by Alkyl Chain Length in Ammonium Salt Passivator Toward High‐performance Inverted Perovskite Solar Cells and Modules

Advances in Materials
Organic ammonium salts are extensively utilized for passivating surface defects in perovskite films to mitigate trap‐assisted nonradiative recombination.
Wenhuan Gao, Jike Ding, Quanxing Ma, Hong Zhang, Jiajia Zhang, Zuolin Zhang, Mengjia Li, Yang Wang, Boxue Zhang, Thierry Pauporté, Jianxin Tang, Jiangzhao Chen, Cong Chen   +12 more
semanticscholar   +1 more source

Dual targeting of RET and SRC synergizes in RET fusion‐positive cancer cells

Molecular Oncology, EarlyView.
Despite the strong activity of selective RET tyrosine kinase inhibitors (TKIs), resistance of RET fusion‐positive (RET+) lung cancer and thyroid cancer frequently occurs and is mainly driven by RET‐independent bypass mechanisms. Son et al. show that SRC TKIs significantly inhibit PAK and AKT survival signaling and enhance the efficacy of RET TKIs in ...
Juhyeon Son, Lily L. Remsing Rix, Bin Fang, Eric A. Welsh, Nicole V. Bremer, Valentina Foglizzo, Paola Roa, Nickole Sigcha‐Coello, Yi Liao, Eric B. Haura, Alexander Drilon, John M. Koomen, Emiliano Cocco, Uwe Rix   +13 more
wiley   +1 more source

Investigation into the Influence of Alkyl Thioureas with Varying Steric Hindrance on the Tensile Strength of Electrolytic Copper Foil

Advanced Materials Interfaces
Thiourea derivatives are typical additives that exert different steric hindrance effects on the tensile strength of electrolytic copper foil (ECF). However, the underlying mechanisms remain unclear.
Mingwei Chen, Xing Hu, Jian Huang, Dongmei Wu, Chen Shi, Ning Song, Yuhui Tan, Chao Liu, Yunzhi Tang   +8 more
doaj   +1 more source

Kinetic Parameters of Biomass Pyrolysis by TGA

BioResources, 2016
Pyrolysis processes of typical biomass, such as corn stalk and birch chips, were investigated by thermogravimetric analysis (TGA). The apparent activation energy and pre-exponential factor were calculated with the adoption of the improved Coats-Redfern ...
Ming Zhai, Li Guo, Yu Zhang, Peng Dong, Guoli Qi, Yudong Huang   +5 more
doaj   +1 more source

EPR Study of Spin Labeled Brush Polymers in Organic Solvents [PDF]

, 2011
Spin-labeled polylactide brush polymers were synthesized via ring-opening metathesis polymerization (ROMP), and nitroxide radicals were incorporated at three different locations of brush polymers: the end and the middle of the backbone, and the end of ...
Burts, Alan O., Grubbs, Robert H., Johnson, Jeremiah A., Li, Yongjun, Ottaviani, M. Francesca, Tirrell, David A., Turro, Nicholas J., Xia, Yan   +7 more
core   +2 more sources

SmallTalk: a novel small‐sized fusion tag for peptide expression and purification

FEBS Open Bio, EarlyView.
The SmallTalk fusion tag allows for the efficient expression and purification of soluble recombinant proteins or peptides in Escherichia coli. Testing with SmallTalk‐GFP confirmed that the proteins were soluble and folded correctly, while SmallTalk‐Bin1b maintained its antimicrobial activity against various bacterial isolates. This streamlined workflow
Atika Tariq, Nestor G. Casillas‐Vega, Alma Gomez‐Loredo, Xristo Zarate   +3 more
wiley   +1 more source

Interfacial assignment of branched-alkyl benzene sulfonates: A molecular simulation

AIP Advances, 2015
A molecular dynamics simulation was conducted to analyze orientations of sodium branched-alkyl benzene sulfonates molecules at nonane/water interface, which is helpful to design optimal surfactant structures to achieve ultralow interfacial tension (IFT).
Zi-Yu Liu, Ning Wei, Ce Wang, He Zhou, Lei Zhang, Qi Liao, Lu Zhang   +6 more
doaj   +1 more source

Synthesis of Aliphatic Polycarbonates from Diphenyl Carbonate and Diols over Zinc (II) Acetylacetonate

Molecules, 2022
APCs (aliphatic polycarbonates) are one of the most important types of biodegradable polymers and widely used in the fields of solid electrolyte, biological medicine and biodegradable plastics.
Jun Feng, Jin Li, Jian Feng, Zhong Wei, Ziqing Wang, Xiaoling Song   +5 more
doaj   +1 more source

Charge-Transfer Probes for Molecular Recognition \u3cem\u3evia\u3c/em\u3e Steric Hindrance in Donor-Acceptor Pairs [PDF]

, 1997
Molecular association of various aromatic hydrocarbons (D, including sterically hindered donors) with a representative group of diverse acceptors (A = quinone, trinitrobenzene, tetracyanoethylene, tropylium, tetranitromethane, and nitrosonium) is ...
Kochi, Jay K., Lindeman, Sergey V., Rathore, Rajendra   +2 more
core   +1 more source